package com.czk.model.command;

/**
 * @Author:ChenZhangKun
 * @Date: 2020/5/8 21:57
 */
// 电灯命令接受者
public class LightReceiver {
    public void on(){
        System.out.println("点灯打开了");
    }
    public void off(){
        System.out.println("电灯关闭了");
    }
}
